senior platform engineer jobs in Cardiff

Senior Platform Engineer (Oracle Cloud Infrastructure - OCI) Duration: 6 Months Location: Manchester & remote (hybrid) Rate: £760 per day IR35 Status: Inside Start: ASAP Role Overview: We're currently recruiting for an experienced Senior Platform Engineer with excellent OCI experience (Oracle Cloud Infrastructure) for our higher education client. This role is to support and evolve the clients...

You will work closely with frontend engineers, product managers, and the CTO to design and evolve a highly scalable, asynchronous, cloud-native platform. This is a hands-on senior engineering role with real technical ownership, influence over architecture, and scope to mentor others.

Are you looking to hit the ground running and make a real impact on a highly technical platform team? Are you interested in working for a scaling fintech company where reliability, automation, and security are built in from day one? We’re working with an exciting company who are looking for an experienced Platform / DevSecOps Engineer to help operate and scale their Kubernetes‑based...

Job Description Lead Platform Engineer London / WFH to £150k Are you a platform engineering technologist with start-up experience and a first class education looking for a new opportunity? You could be joining a small Fintech start-up run by small, successful and proven team of finance technology entrepreneurs, backed by Silicon Valley investors, as they build out the product, currently in...

Engineering Manager - Agents £120000 - £140000 + equity Remote This is not a traditional Engineering Manager role. If you don’t actively use AI tools to build, test and ship software, this won’t be a fit. If you do....keep reading. We’re leading the search for an Engineering Manager for a fast-growing AI-native company building production-grade AI agents used by real customers, at real...

WARNING: for this role candidates who require company support to legally live and work in the UK cannot be considered. To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance. To obtain SC clearance, the successful applicant must have resided continuously within the United Kingdom for the last 5 years. Role is remote / UK wide (please be aware that...

You will build, scale, and own the cloud-native infrastructure powering Magentic’s AI procurement workers. This role offers the rare chance to architect high-quality foundations from the ground up for a global supply chain solution. You’ll influence the technical direction of a next-generation agentic system while ensuring high observability and security.

THE OPPORTUNITY: Lead RevOps Strategist & Platform Specialist, Data Center (remote role UK or Spain) Job Summary: Iron Mountain is seeking a highly experienced, proactive, and strategic Lead RevOps Strategist & Platform Specialist to join our IMDC Global Services team in the UK or Spain (remote role). The Lead RevOps Strategist & Platform Specialist will serve as the pivotal link between our...

You will design, build, and deploy production‑grade models using energy‑market data, asset telemetry, weather data, settlement data, and commercial datasets. This role is central to the evolution of our pricing, risk, trading, and optimisation engines.

You will collaborate closely with engineering, product, and commercial teams and work with a high degree of autonomy.

You will have the chance to speak to our recruitment team at various points during your process but if you do have any specific questions ahead of this please contact us on tech-hiring@monzo One of our engineers has written a detailed blog on their experience through this process, for extra details, hints and tips please see here .

Job Description Senior Mechanical Engineer Salary: From £47,000 (dependant on experience) Duration: Permanent Location: Merthyr/Cardiff area (site visits across Wales) Hybrid Working: Some With over two decades of engineering experience, our Client strives to combine first class engineering and design to deliver the high quality that is required. Our Client maintains a proactive approach,...

You will receive a salary, dependent on experience. Salary is up to £70,000 On top of the salary there are some fantastic extra benefits.

Role: Senior DevSecOps Engineer All the relevant skills, qualifications and experience that a successful applicant will need are listed in the following description. Salary: £47,675 - £56,445 Grade: SEO Location: Cardiff (hybrid) The Opportunity Yolk Recruitment are excited to be working with an innovation-driven civil service organisation as they journey through some incredible projects...

Job Description Senior Structural Engineer Cardiff/Swansea This is a great opportunity for a competent, Senior Structural Engineer to join a growing, medium sized consultancy in an office in Cardiff or near Swansea. Our client has offices across South Wales and works largely throughout residential, commercial and mixed-use building sectors. They have a great reputation and work on projects...

You will be engaged on a range of infrastructure and...

Senior Mechanical Project Engineer Water (AMP8 Framework) Make sure to apply quickly in order to maximise your chances of being considered for an interview Read the complete job description below. Location: South Wales Employment Type: Permanent Sector: Water / Utilities / Infrastructure Are you a seasoned Mechanical Project Engineer ready to take the lead on major water infrastructure...

You will design, develop, and maintain our platform’s backend infrastructure, focusing on multi-tenant architectures, security, and efficient LLM integration. This role requires a strong understanding of Python web frameworks, cloud services (particularly AWS), and modern AI approaches including working with agentic architecture.

Are you passionate about cutting-edge IoT technology and hands-on systems testing? SPX Radiodetection is seeking a Senior Systems Test Engineer to join our Bristol-based multidisciplinary engineering team. This is a fantastic opportunity to play a pivotal role in testing and validating our Locator and CAT IoT platform products while shaping a world-class testing function. Why this role...

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

You will have company-wide influence, working with other collectives to grow Monzo. In this role you’ll be focused on improving our platform resilience. You’ll sit at the intersection of our platform and product engineering teams to make it easier for engineers to build resilient systems; improving our platform abstractions and tooling in the process.